> For the complete documentation index, see [llms.txt](https://docs.n8n.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.n8n.io/integrations/builtin/credentials/perplexity.md).

# Perplexity credentials

You can use these credentials to authenticate the following nodes:

* [Perplexity](/integrations/builtin/app-nodes/n8n-nodes-langchain.perplexity.md)

## Supported authentication methods <a href="#supported-authentication-methods" id="supported-authentication-methods"></a>

* API key

## Related resources <a href="#related-resources" id="related-resources"></a>

Refer to [Perplexity's API documentation](https://docs.perplexity.ai/api-reference/) for more information about the service.

## Using API key <a href="#using-api-key" id="using-api-key"></a>

To configure this credential, you'll need a [Perplexity account](https://www.perplexity.ai/account) and:

* **a Perplexity API key**: You can find out how to create a Perplexity API key in the [Perplexity API getting started guide](https://docs.perplexity.ai/guides/getting-started).

Refer to [Perplexity's API documentation](https://docs.perplexity.ai/) for more information about authenticating to the service.